Leiden University Medical Center

This study tests if the drug belimumab can help find more compatible donor kidneys for highly sensitized patients waiting for a transplant. About 25 adults will receive a short course of belimumab to see if it improves detection of immune cells that react against donor kidneys. T…

This phase 2 trial tests whether low sodium oxybate (Xywav) can reduce nighttime cluster headache attacks in people with chronic cluster headache. About 52 participants will receive either the drug or a placebo for 16 weeks. The main goal is to see if the drug lowers the number o…

This study looks at whether people who have had a ruptured brain aneurysm also have an abdominal aortic aneurysm (a bulge in the main belly artery) that they don't know about. About 233 participants will get a painless belly ultrasound to check. The goal is to see how common this…

This study looks at whether a new tool helps young adults (ages 18-30) with type 1 diabetes and their doctors work together better to make care plans that fit daily life. Researchers will compare usual doctor visits with visits using the tool, and interview participants afterward…